Finding the Third Proportional to 818,490.50 and 1,785,656

Step by Step Solution

1. Step 1: Write the proportion equation
   818,490.50 : 1,785,656 = 1,785,656 : x
2. Step 2: Convert to fraction form
   818,490.50/1,785,656 = 1,785,656/x
3. Step 3: Cross multiply
   818,490.50x = 1,785,656 × 1,785,656
4. Step 4: Simplify right side
   818,490.50x = 3,188,567,350,336
5. Step 5: Solve for x
   x = 3,188,567,350,336/818,490.50
6. Step 6: Final answer
   x = 3,895,668.12